Neuroscientists are incredibly reliable because they are brain doctors who have gone through many years of tough schooling to become specialized in a specific part of the human body. So, as a paragraph starting with "neuroscientists have suggested", it is most likely in your best interest to heed the following advice.
Answer:
The writer uses question marks
I believe your answer is A. I hope this helps! Good luck!
7-10 sentences depending on the length.
I think that the options you have are gloom, temptation, forgiveness and suspicion. The option that you are looking for is gloom which is more inclined to a depressed environment with those words.
